#197834 fix incorrect use of $field instead of $widget that kept the pollfield from remembering the right number of choices, patch by igorik and jaydub.

#151020 make sure node cache is cleared when votes are recorded, patch by jaydub, naught101, adamh and others.

#139085 make sure inspect all pollfields will work by making sure all nids are returned, patch by dgraver.

Now that cck is using new cache table, the pollfield module needs to clear that cache instead of the general one

#130041 had to restructure the form array to keep the field name as a single top-level form element to keep from breaking fieldgroup.

- #130041 make sure pollfield does not require questions when field is not required

The pollfield module creates a CCK field that behaves like the core poll module but can be added to any content type.